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Finding the Fourth Proportional to 64,825.84, 89,464.92 and 36,533.44

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Solution

The fourth proportional to 64,825.84, 89,464.92 and 36,533.44 is: 50,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,825.84 : 89,464.92 = 36,533.44 : x
  2. Step 2: Convert to fraction form
    64,825.84/89,464.92 = 36,533.44/x
  3. Step 3: Cross multiply
    64,825.84x = 89,464.92 × 36,533.44
  4. Step 4: Simplify right side
    64,825.84x = 3,268,461,286.92
  5. Step 5: Solve for x
    x = 3,268,461,286.92/64,825.84
  6. Step 6: Final answer
    x = 50,419.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.